Finding the Fourth Proportional to 1,984.31, 2,738.27 and 1,100.13

Step by Step Solution

1. Step 1: Write the proportion equation
   1,984.31 : 2,738.27 = 1,100.13 : x
2. Step 2: Convert to fraction form
   1,984.31/2,738.27 = 1,100.13/x
3. Step 3: Cross multiply
   1,984.31x = 2,738.27 × 1,100.13
4. Step 4: Simplify right side
   1,984.31x = 3,012,445.46
5. Step 5: Solve for x
   x = 3,012,445.46/1,984.31
6. Step 6: Final answer
   x = 1,518.13